Rhyolite

Rhyolite is an igneous, volcanic rock that bears a resemblance to some types of granite. This stone has been mined since prehistoric times in Germany, The Americas, Asia, Africa, and Australia, it was introduced to geology in 1860 by German traveler and geologist Ferdinand Von Richthofen. The name Rhyolite is derived from the Greek word rhýax ("a stream of lava") and the rock name suffix "-lite". Rhyolite resonates with the heart chakra and is known to boost self-esteem, and respect, it also helps mend emotional wounds, and to deal with challenging circumstances with poise.